Self-playing device for organs.



No. 628,535. Patented July II, I899. F. W. HEDGELAND.

SELF PLAYING DEVICE FOR ORGANS.

(Application filed Dec. 20, 1897.)

2 Shoots-Shoe! I.

(No Model.)

Lll

l l lTN E5658 W/ZMZZ 4! YM H/d' J TTORNE M5.

we NORRIS PEYERS co, wcwomm 0.. wuwmmu. u. c

(No Model.)

WITN E S ES:

Patented July n, I899;

F. W. HEDGELAND.

SELF PLAYING DEVICE FUR OBGANS.

(Application 510d Doc. 90, 1897.)

2 'Shoet:8heat 2.

IN VEN Tor?" FREDERICK W HEDGELRND GYM HIJ flTTo NEys additionalair-passage.

U ITED STATES PATENT OFFICE,

FREDERICK \V. HEDGELAND, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE IV. \V.KIMBALL COMPANY, OF SAME PLACE.

SELF-PLAYING DEVICE'FOR ORGANS.

SPECIFICATION forming part of Letters Patent No. 628,535, dated July 11,1899.

7 Application filed December 20,1897.- Serial No. 662,551. (No model.)

To all whom it may concern:

Be it known that I, FREDERICK W. HEDGE- LAND, a citizen of the UnitedStates, residing in Chicago, in the county of Cook and State ofIllinois, have invented a new and useful Improvement in Self-PlayingDevices for Organs, of which the following is a specification.

This invention is intended to provide selfplaying instruments withpractical means whereby the various stops of the instrument may beoperated through the medium of the traveling music-sheet ordinarilyemployed.

In carrying out my invention I provide the ordinary music-sheet with aline of perforations additional to those customarily embodied thereinand the tracker-range with an The additional perforations are placedlongitudinally in the music-sheet at the points where any changes in theregistration are desired, and the air-passage is connected to a chamberat one side of a membrane-motor which shifts the controlling-valve of apower-pneumatic and by inflating said membrane causes the pneumatic toact and impart an intermittentmovement to a supplemental perforatedsheet similar to the main musicsheet, though it may bemuch reducedtherefrom in size, this supplemental sheet being also a valve-sheet andcombined with another tracker-range, the openings of which are connectedto and control the various stop-actions embodied in the instrument. Thesupplemental sheet has a separate line of perforations for each stop orcombination in the organ and is adapted to throw the stops into and outof action whenever required.

In the accompanying drawings I show at Figure 1 a plan of my invention,and at Fig. 2 a side elevation thereof. Fig. 3 is a section of theconnections between the tracker-range and the stop-actions.

In said drawings, A represents the ordinary music-sheet, operated by therolls B and C in the usual manner and controlling the air-passages inthe tracker-range D. The sheet is provided with a line of perforationsAin addition to those usually out in it, and these perforations pass overthe duct D in the sage G, leading from the exhaust-chamber G to apower-pneumatic H. The chamberG is connected to the exhaust-bellows ofthe instrument by pipe G and is also connected to membrane-chamber E bythe constantly-open small passage FF. The pneumatic H is expanded by theincoming air and one or more springs H and contracted by the exhaustthrough passage G. When the membrane is inflated by the opening of ductD, it forces said valves to the position indicated at Fig. 2, therebyclosing valve F and shutting off the exhaust from the pneumatic, and atthe same time it opens valve F, the port of which is open to the outerair and admits air to the pneumatic.

The expanding movement of the pneumatic l'l acts, through the medium ofa pawl J, carried by its moving side, to operate a ratchetwheel J, whichis fast upon the end of takeup roll K, and thereby causes a limitedportion of the supplemental valve-sheet L to be wound up on said roll.The supplemental sheet L is normally wound on the supply-roll M. It isperforated with a number of rows of perforations, one row for each stopor combination of stops embodied in the instrument, and the perforationsin the several rows are so located as to cause the operating of theirrespective stop-actions at proper times by admitting air to asupplemental tracker-range 0, over which the sheet L is drawn by roll K,and the ducts of which correspond to the rows of perforations in saidsheet and lead to and control the various stop-actions, preferably inthe manner shown particularly at Fig. 3.

Referring to said Fig. 3, O is one of the ducts leading from thetracker-range O and compressed-air box S and having its movable sideattached to a valve S controlling the entrance S leading to the wind-boxof the action. The passage R serves to inflate that pneumatic when thevalve P is opened and valve P closed. The chamber 0 of themembrane-motor is connected with an exhaustchamber 0 by the restrictedopening 0 adapted to render said membrane neutral when the duct 0 isclosed by the valve-sheet L. The parts are shown in this figure as inthe position occupied by them when thestopaction is in service, the duct0 being in register with an opening in the valve-sheet, so

that membrane 0 is inflated and shuts off.

the compressed air from the valve-operating pneumatic S, at the sametime allowing said pneumatic to exhaust to the outer air through theport P. The collapsing of the pneum atic S opens the valve S and allowsthe air from box S to escape into the wind-chest of the stop through theport S When valve 1? closes and valve P opens, it will be understoodthat the pneumatic S collapses under the pressure upon the movable sideof the air in box S.

The movements of the sheet L are short and intermittent, and it remainsin the position in which it is left at the conclusion of each impulseuntil another impulse is given it, as the only function devolving uponit is to set the stop-actions in motion and to cut oif the air from thetracker-range O, and thus cause the return of the stop-actions to theirnormal and non-acting positions, and consequently the sheet needs to beonly just long enough to contain the number of perforations required andto secure its proper attachment to rolls K and M. Its width will bedetermined by the number of stops. The ratchet should move it at eachimpulse j ust far enough to carry one transverse line of'itsperforations L from the tracker-range and bring another line thereofinto register with the range. In caseswhere a stop already in action isrequired to be held in action pending changes in other stops then theopening by which it was put in action is elongated as much as necessaryto avoid any premature closure of its tracker-duct. It will beunderstood that when the sheet L closes the tracker-duct of any stop theaction of that stop returns to its normal position of rest.

The power-pneumatic H of my invention collapses as soon as the mainsheet closes the corresponding tracker-duct D, the membranemotor beingthen rendered neutral by the exhaust-passage E so that the valves F andF may then shift under the power of the-exhaust and open the passage Gto the exhaustchamber. During the collapsing movement the pawl J movesinto position to engage the succeeding tooth of ratchet J at the nextinflation of pneumatic H. The pawl, which is pivoted at J can only yieldin one direction and is retained in position by spring J I do not hereinclaim the particular construction of the devices whereby thetrackerrange 0 is enabled to control the stop-action, nor do I wish tobe limited in my claims to the construction shown of those devices, andI furthermore do not wish to be understood as waiving any claim to whichI may be entitled to make as the inventor of the means for coupling anexhaust-passage to a compressed-air passage, such as is shown in Fig. 3,as I have since the filing hereof made the same the subject of anotherapplication, to wit: SerialNo. 663,450,1iledDecember27, 1897.

I claim- 1. The combination in a self-playin g instrument with the mainmusic-sheet and trackerrange, of an intermittently-moving supplementalsheet and tracker-range for controlling the stop-actions of theinstrument, substantially as specified.

2. The combination in a self-playing instrument with the mainmusic-sheet and trackerrange, of a supplemental sheet and tracken rangefor controlling the stop-actions of the instrument, such supplementalsheet being controlled by the main sheet, substantially as specified.

3. The combination in a self-playing instrument with the mainmusic-sheet and tracker range, of an intermittently-moving supplementalsheet, and tracker-range for controlling the stop-actions of theinstrument, said.

supplemental sheet being controlled by the main sheet, substantially asspecified.

4. The combination in a self-playing instru ment, of the mainmusicsheet, the main tracker-range, an intermittently-movingsupplemental sheet, a tracker-range for said supplemental sheetconnected to the stop-actions, and means whereby the main sheet controlssaid supplemental sheet, substantially as specified.

5. The combination in a self-playing instrument, of the mainmusic-sheet, the main tracker-range, an intermittently-movingsupplemental sheet, a tracker-range for said supplemental sheetconnected to the stop-actions, means'for actuating said supplementalsheet, and means whereby the main sheet may control said actuatingmeans, substantially as specified.

6. The combination in aself-playin g instrument, of the main music-sheet, a supplemental sheet for governing the registration, and meanswhereby the main sheet may control the supplemental sheet, substantiallyas specified.

7. The combination in a self-playing instrument, of the'mainmusic-sheet, a supplemental sheet for governing the registration, a

IOC

IIC

IIE u motor for actuating the supplemental sheet, and means whereby themain sheet controls said motor, substantially as specified.

8. The combination with the stop-aetions of the main music-sheet and asupplemental sheet controlled. by the main sheet and acting to controlthe stop-actions, substantially as specified.

9. The combination with the stop-actions of the main music-sheet, thesupplemental music-sheet, and the means whereby said supplementalmusic-sheet controls the stop-actions, substantially as specified.

10. The combination with the stop-actions :5 of the main music-sheet,the supplemental

